Takatsuki-class destroyer

The Takatsuki class destroyer was a vessel of the Japan Maritime Self-Defense Force. It was the predecessor of the Hatsuyuki-class destroyer, and was mainly used for anti-submarine warfare duties.

JS Nagatsuki (DD-167)
Class overview
Name:	Takatsuki class destroyer
Builders:	IHI Corporation Mitsubishi Heavy Industries
Operators:	Japan Maritime Self-Defense Force
Preceded by:	Yamagumo-class destroyer
Succeeded by:	Minegumo-class destroyer
Built:	1964 - 1970
In commission:	1967 - 2003
Planned:	4
Completed:	4
Retired:	4
General characteristics
Type:	Destroyer
Displacement:	3,100 long tons (3,150 t) standard 4,500 long tons (4,572 t) full load
Length:	136.0 m (446 ft 2 in) overall
Beam:	13.4 m (44 ft 0 in)
Draft:	4.4 m (14 ft 5 in)
Propulsion:	60,000 shp (45 MW), 2 shafts (Takatsuki and Nagatsuki) 2 × Mitsubishi/WH reaction/impulse steam turbines 2 × Mitsubishi CE water tube boilers (Kikuzuki) 2 × Mitsubishi/EW impulse steam turbines 2 × Mitsubishi CE water tube boilers (Mochizuki) 2 × Kawasaki Model NH-300 impulse steam turbines 2 × Kawasaki Model BD-120-1 water tube boilers
Speed:	32 knots (37 mph; 59 km/h)
Range:	6,000 nmi (11,000 km) at 16 kn (18 mph; 30 km/h)
Complement:	270 (Takatsuki, 1967), 260 (Takatsuki, 1985)
Sensors and processing systems:	OPS-11B EWR, OPS-17 SSR, AN/SQS-23, AN/SQS-35(J), OPS-11C EWR (1986)
Electronic warfare & decoys:	NOLR-1B, NOLQ-1 (1986)
Armament:	(Takatsuki, 1967) 2 × Mk.42 5 in (127 mm) guns 1 × (VIII) ASROC 1 × (IV) Bofors 375 mm (15 in) ASW rocket launcher 2 × (III) Mk.32 ASW torpedo tubes 2 × QH-50D DASH anti-submarine drone helicopter (Kikuzuki, 1986) 1 × Mk.42 5 in (127 mm) gun 2 × (IV) RGM-84 Harpoon 1 × (VIII) Mk.29 Sea Sparrow 1 × Mk.15 CIWS 1 × (VIII) ASROC 1 × (IV) Bofors 375 mm (15 in) ASW rocket launcher 2 × (III) Mk.32 ASW torpedo tubes

In 1985-1988, Takatsuki and Kikuzuki were upgraded with Sea Sparrow SAM launchers, Harpoon missile anti-ship missile launchers, Phalanx CIWS systems (Kikuzuki only), new FCS (FCS-2-12) fire control radar and TASS. Mochizuki and Nagatsuki were in the upgrade program, but were eventually not upgraded.